Single pass drilling apparatus, use a one -piece drill bit, method and rock bolt for single pass rock bolting.

Details for Australian Patent Application No. 2005219818 (hide)

Owner Sandvik Intellectual Property AB

Inventors Ravat, Pierre

Agent Griffith Hack

Pub. Number AU-A-2005219818

PCT Pub. Number WO2005/085582

Priority 0400597-1 10.03.04 SE

Filing date 18 February 2005

Wipo publication date 15 September 2005

International Classifications

E21B 7/20 (2006.01) Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 10/66 (2006.01) Drilling tools

E21D 21/00 (2006.01) Anchoring-bolts for roof, floor, or shaft-lining protection

Event Publications

3 August 2006 PCT application entered the National Phase

  PCT publication WO2005/085582 Priority application(s): WO2005/085582

16 September 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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